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Finding the Fourth Proportional to 800,520.34, 1,104,709.08 and 437,940.04

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Solution

The fourth proportional to 800,520.34, 1,104,709.08 and 437,940.04 is: 604,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,520.34 : 1,104,709.08 = 437,940.04 : x
  2. Step 2: Convert to fraction form
    800,520.34/1,104,709.08 = 437,940.04/x
  3. Step 3: Cross multiply
    800,520.34x = 1,104,709.08 × 437,940.04
  4. Step 4: Simplify right side
    800,520.34x = 483,796,338,683.56
  5. Step 5: Solve for x
    x = 483,796,338,683.56/800,520.34
  6. Step 6: Final answer
    x = 604,352.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.